tyrosine
										 Stable isotopes
  - Tyrosine is a non-essential amino acid. In animals it is synthesized from phenylalanine. Tyrosine is used to improve alertness, attention and focus. Reference standards of Tyrosine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
					
																		
			stdClass Object
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    [pname] => 4-Hydroxy-3-nitrophenylacetic Acid-d5
    [catalogue_number] => PA STI 050420
    [category_ids] => ,80,98,76,75,
    [chemical_name] => 
    [weight] => 202.18
    [form] => C8H2D5NO5
    [cas] => 929709-59-1
    [pslug] => 929709-59-1-4-hydroxy-3-nitrophenylacetic-acid-d5-pasti050420
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										4-Hydroxy-3-nitrophenylacetic Acid-d5
										
										
									 
																		 
																		
									
										- Catalogue No.:PA STI 050420 
- Molecular Formula : C8H2D5NO5 
- Molecular Weight : 202.18 
 
			                  
						 
										
									
			stdClass Object
(
    [pname] => NSC-33994-d4
    [catalogue_number] => PA STI 069470
    [category_ids] => ,79,80,81,98,78,70,82,
    [chemical_name] => 
    [weight] => 442.67
    [form] => C28H38D4N2O2
    [cas] => 1795134-33-6
    [pslug] => 1795134-33-6-nsc-33994-d4-pasti069470
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										- Catalogue No.:PA STI 069470 
- Molecular Formula : C28H38D4N2O2 
- Molecular Weight : 442.67 
 
			                  
						 
										
									
			stdClass Object
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    [pname] => 3-Nitro-L-tyrosine-d3
    [catalogue_number] => PA STI 068780
    [category_ids] => ,80,98,
    [chemical_name] => 
    [weight] => 229.2
    [form] => C9H7D3N2O5
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    [pslug] => 213386-10-8-3-nitro-L-tyrosine-d3-pasti068780
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